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dc.contributor.authorKarvounis, Artemiosen
dc.contributor.authorNalla, Venkatramen
dc.contributor.authorMacDonald, Kevin F.en
dc.contributor.authorZheludev, Nikolay I.en
dc.identifier.citationKarvounis, A., Nalla, V., MacDonald, K. F., & Zheludev, N. I. (2018). Ultrafast Coherent Absorption in Diamond Metamaterials. Advanced Materials, 30(14), 1707354-.en
dc.description.abstractDiamond is introduced as a material platform for visible/near‐infrared photonic metamaterials, with a nanostructured polycrystalline diamond metasurface only 170 nm thick providing an experimental demonstration of coherent light‐by‐light modulation at few‐optical‐cycle (6 fs) pulse durations. “Coherent control” of absorption in planar (subwavelength‐thickness) materials has emerged recently as a mechanism for high‐contrast all‐optical gating, with a speed of response that is limited only by the spectral width of the absorption line. It is shown here that a free‐standing diamond membrane structured by focused ion beam milling can provide strong, spectrally near‐flat absorption over a visible to near‐infrared wavelength range that is wide enough (wider than is characteristically achievable in plasmonic metal metasurfaces) to facilitate coherent modulation of ultrashort optical pulses comprising only a few oscillations of electromagnetic field.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent15 p.en
dc.relation.ispartofseriesAdvanced Materialsen
dc.rights© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the author created version of a work that has been peer reviewed and accepted for publication by Advanced Materials, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].en
dc.subjectCoherent Absorptionen
dc.titleUltrafast coherent absorption in diamond metamaterialsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.researchCentre for Disruptive Photonic Technologiesen
dc.contributor.researchThe Photonics Instituteen
dc.description.versionAccepted versionen
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